This paper particularly analyze the relation between frequency of measured signal and frequency of count pulse on measuring precision.
文中详细地分析了被测信号的频率和计数脉冲的频率与测量精度之间的关系。
The measuring function of short persistence oscillograph can be extended by adding pulse wave collecting circuit and signal processing circuit.
通过增加脉搏波采集电路和信号处理电路,扩展短余辉电子示波器的测量功能。
The functions of the processor are 1) measuring the signal parameters, especially the Pulse Repetition Interval(PRI) of desired signa.
处理器的功能包括:1)测量信号参数,尤其是选定雷达的脉冲重复间隔(PRI)参数。
It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。
The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.
研究了高速旋转叶片振动实时监测系统,叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。
This paper analyzes usual measuring errors caused by inconsistency of the input signal pulse verge and strobe signal verge in frequency measurement. It sets forth an effective solution.
研究频率测量过程中输入信号的脉冲边沿与测量设备的闸门信号边沿不一致造成的频率测量误差。
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号,来测量柴油机转速的新方法。
Detector output electrical pulse signal amplitude is proportional to the energy of incident particle or ray, by measuring the pulse amplitude, get the energy of incident particles or rays.
探测器输出的电脉冲信号幅度与入射粒子或射线的能量成正比,通过测量脉冲信号的幅度,得到入射粒子或射线的能量。
Simulation and actual test result shows that the new arithmetic could detect weak laser pulse signal effectively, increase the SNR and expand measuring range of laser range finder.
仿真与实际测试结果表明,该方法能有效提取远距离微弱激光脉冲回波信号,从而提高系统信噪比,扩大了系统原有的测程。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The algorithm of measuring zero-crossings can better solve the problems that the characteristic parameters of the pulse signal are complicated in the time field and the measuration errors are greater.
提出的过零点检测算法,较好解决了脉搏信号时域特征点参数多,分析复杂,误差较大的问题。
The algorithm of measuring zero-crossings can better solve the problems that the characteristic parameters of the pulse signal are complicated in the time field and the measuration errors are greater.
提出的过零点检测算法,较好解决了脉搏信号时域特征点参数多,分析复杂,误差较大的问题。
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